<div class="page-header">
<nav class="navbar navbar-default">
    <div class="container-fluid">
        <div class="collapse navbar-collapse" id="bs-example-navbar-collapse-1">
            <ul class="nav navbar-nav">
                <li><a href="javascript:void(0)" id="collapsed-sidebar-toggle-button"><i class="fa fa-bars"></i></a></li>
                <li><a href="javascript:void(0)" id="toggle-fullscreen"><i class="fa fa-expand"></i></a></li>
            </ul>
        </div>
    </div>
</nav>
</div>